[Bug fortran/20520] allocatable arrays used uninitialized without a warning

[kargl at gcc dot gnu dot org]

------- Comment #15 from kargl at gcc dot gnu dot org  2009-11-22 17:37 -------
Using -fcheck=all issues a runtime error.

REMOVE:kargl[218] gfc4x -o z -Wall a2.f90
REMOVE:kargl[219] ./z
Segmentation fault (core dumped)
REMOVE:kargl[220] gfc4x -o z -Wall -fcheck=all a2.f90
REMOVE:kargl[221] ./z
At line 3 of file a2.f90
Fortran runtime error: Index '1' of dimension 1 of array 'b' above upper bound
of 0


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20520